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Operations - Operational impacts (Details Textuals)
baskets in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Apr. 30, 2020
Dec. 31, 2020
Dec. 31, 2020
baskets
port
Ultracargo [member]      
Disclosure of operating segments [line items]      
Number of basic baskets | baskets     3
Number of port terminals | port     6
Ipiranga [member]      
Disclosure of operating segments [line items]      
Increase percentage of sales volume   5.00%  
Ipiranga [member] | Otto Cycle [Member]      
Disclosure of operating segments [line items]      
Decrease percentage of sales volume 37.00%    
Increase percentage of sales volume   18.00%  
Ipiranga [member] | Diesel [Member]      
Disclosure of operating segments [line items]      
Decrease percentage of sales volume 17.00% 5.00%  
Extrafarma [member]      
Disclosure of operating segments [line items]      
Decrease percentage of sales     3.00%